小程序发布扫完码之后没反应了

- 当前 Bug 的表现（可附上截图） - 预期表现 - 复现路径 - 提供一个最简复现 Demo [publib]:146 error run publib TypeError: Cannot read property 'toLowerCase' of undefined     at a.g ([publib]:1)     at new a ([publib]:1)     at [publib]:1     at Object.u [as onReady] ([publib]:1)     at Object.<anonymous> ([publib]:1)     at o ([publib]:1)     at i ([publib]:1)     at __waServiceInit__ ([publib]:1)     at __doWAServiceInit__ ([publib]:1)     at [publib]:1 value @ [publib]:146 [publib]:833 ReferenceError: define is not defined     at app.js:1     at ContextifyScript.Script.runInContext (vm.js:59)     at Object.runInContext (vm.js:120)     at loadCode ([publib]:827)     at handleInitUserCode ([publib]:811)     at handleSetupContext ([publib]:1221)     at handleProcessMessage ([publib]:1230)     at WebSocket.ws.on ([publib]:1458)     at emitOne (events.js:115)     at WebSocket.emit (events.js:210) loadCode @ [publib]:833 [publib]:833 ReferenceError: define is not defined     at canvasdrawer.js:1     at ContextifyScript.Script.runInContext (vm.js:59)     at Object.runInContext (vm.js:120)     at loadCode ([publib]:827)     at handleInitUserCode ([publib]:811)     at handleSetupContext ([publib]:1221)     at handleProcessMessage ([publib]:1230)     at WebSocket.ws.on ([publib]:1458)     at emitOne (events.js:115)     at WebSocket.emit (events.js:210) loadCode @ [publib]:833 [publib]:833 ReferenceError: define is not defined     at scan.js:1     at ContextifyScript.Script.runInContext (vm.js:59)     at Object.runInContext (vm.js:120)     at loadCode ([publib]:827)     at handleInitUserCode ([publib]:811)     at handleSetupContext ([publib]:1221)     at handleProcessMessage ([publib]:1230)     at WebSocket.ws.on ([publib]:1458)     at emitOne (events.js:115)     at WebSocket.emit (events.js:210) loadCode @ [publib]:833 [publib]:833 ReferenceError: define is not defined     at index.js:1     at ContextifyScript.Script.runInContext (vm.js:59)     at Object.runInContext (vm.js:120)     at loadCode ([publib]:827)     at handleInitUserCode ([publib]:811)     at handleSetupContext ([publib]:1221)     at handleProcessMessage ([publib]:1230)     at WebSocket.ws.on ([publib]:1458)     at emitOne (events.js:115)     at WebSocket.emit (events.js:210) loadCode @ [publib]:833